QLDB shut down in 2025. ACL works only in Azure. Fabric demands a consortium. Vendor-neutral, public-anchored proof is what survives a discontinuation notice.
Certyo
Vendor-neutral · public proof
AWS QLDB
Discontinued July 2025
Azure ACL
Active · Azure-only
Hyperledger Fabric
Self-operate consortium
Trust model
Status
Active 2025+
×Shut down
Active
Active
Trust root
Polygon mainnet
×Centralized AWS
×TEE enclaves (Azure)
×Permissioned consortium
Verifiable by
Anyone, any time
×Requires AWS account
×Requires Azure account
×Requires consortium membership
Survives vendor
Yes — Polygon outlives Certyo
×No — already gone
×No — Azure-bound
×Maybe — needs ≥1 healthy peer
Data custody
What we store
Hash only (32 bytes)
×Full document
×Full entry
×Full transaction
PHI / PII exposure
None
×Yes
×Yes
×Yes
On-prem option
Yes — your K8s
×No
×No
Yes
Customer-managed keys
Yes (Sovereign)
×AWS KMS only
×Azure KMS only
Self-managed
Operate & integrate
SDKs
REST · TS · Py · Java · Go
×AWS SDK only
×Azure SDK only
Native + 3rd-party
Time-to-pilot
~2 weeks
×~6 weeks
×~6 weeks
×~3 months
Audit-ready proof PDF
Built-in
×No
×No
×No
Compliance posture
HIPAA + SOC 2 aligned
Inherits AWS
Inherits Azure
×You build it
↳ Sources: AWS announcement of QLDB end-of-life (Sep 2024 → Jul 2025). Azure Confidential Ledger — Microsoft Learn. Hyperledger Fabric documentation, Linux Foundation. Methodology updated quarterly.
